//
//  VisitorLoginView.swift
//  Sinnaweibo模拟项目
//
//  Created by 尹家鑫 on 16/3/7.
//  Copyright © 2016年 尹家鑫. All rights reserved.
//

import UIKit
import SnapKit

@objc protocol VisitorLoginViewDelegate: NSObjectProtocol {
    //声明协议方法
    optional func userWillRegister()
    
    //登陆的协议方法
    func userWillLogin()
    
}
class VisitorLoginView: UIView {
   
    //定义闭包属性
    var didClickBlock: (() -> ())?
    
    //声明代理对象，代理的声明，在oc中必须使用，weak/assagin,为了防止循环引用
    weak var visitorDelegate: VisitorLoginViewDelegate?
    
    //MARK: 外部调用的方法
    func setupInfoWith(title: String, imageNamed: String?) {
        
        tipLabel.text = title
        
        if imageNamed != nil {
            //不是首页
            circleIcon.image = UIImage(named: imageNamed!)
            //隐藏大房子
            largrHouse.hidden = true
            //设置不是渐隐
            bringSubviewToFront(circleIcon)
        }else{
            //是首页
            //让圈圈开始转动
            startAnimation()
            
        }
        
    }
    private func startAnimation() {
        let anim = CABasicAnimation(keyPath: "transform.rotation")
        anim.repeatCount = MAXFLOAT
        anim.duration = 10
        anim.toValue = 2 * M_PI
        //默认移除动画
        //在动画结束，或者页面处于非活跃状态时动画不移除图层
        anim.removedOnCompletion = false
        circleIcon.layer.addAnimation(anim, forKey: nil)
        
    }
    override init(frame: CGRect) {
        
        //super
        super.init(frame: frame)
        
        setUpUI()
    }

    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    //MARK 自定义访客视图
    private func setUpUI() {
        addSubview(circleIcon)
        addSubview(maskImage)
        addSubview(largrHouse)
        addSubview(tipLabel)
        addSubview(loginBtn)
        addSubview(registerBtn)
        
        circleIcon.snp_makeConstraints { (make) -> Void in
            make.centerX.equalTo(self.snp_centerX)
            make.centerY.equalTo(self.snp_centerY).offset(-80)
        }
        
        largrHouse.snp_makeConstraints { (make) -> Void in
            make.center.equalTo(circleIcon.snp_center)
        }
        
        tipLabel.snp_makeConstraints { (make) -> Void in
            make.centerX.equalTo(circleIcon.snp_centerX)
            make.top.equalTo(circleIcon.snp_bottom).offset(16)
            make.width.equalTo(230)
            make.height.equalTo(40)
        }
        
        loginBtn.snp_makeConstraints { (make) -> Void in
            make.left.equalTo(tipLabel.snp_left)
            make.top.equalTo(tipLabel.snp_bottom).offset(16)
            make.width.equalTo(100)
        }
        
        registerBtn.snp_makeConstraints { (make) -> Void in
            make.right.equalTo(tipLabel.snp_right)
            make.top.equalTo(tipLabel.snp_bottom).offset(16)
            make.width.equalTo(100)
        }
        
        maskImage.snp_makeConstraints { (make) -> Void in
            make.center.equalTo(circleIcon.snp_center)
        }
        
        let value: CGFloat = 236.0 / 255.0
        backgroundColor = UIColor(red: value, green: value, blue: value, alpha: 1)
        
        //添加按钮的点击事件
        loginBtn.addTarget(self, action: "loginBtndidClick", forControlEvents: .TouchUpInside)
        registerBtn.addTarget(self, action: "registerBtndidClick", forControlEvents: .TouchUpInside)
        
    }
    
    //MARK: 按钮的监听事件
    @objc private func loginBtndidClick() {
        print(__FUNCTION__)
        
        //执行闭包，强制解包表示闭包不能够为空
        visitorDelegate?.userWillLogin()
        
    }
    
    @objc private func registerBtndidClick() {
        print(__FUNCTION__)
        
        //执行闭包，强制解包表示闭包不能够为空
        visitorDelegate?.userWillRegister?()
    }
    
    //懒加载视图
        //遮罩视图
    private lazy var maskImage: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_mask_smallicon"))
    private lazy var circleIcon: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_smallicon"))
    
        //大房子
    private lazy var largrHouse: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_house"))
    
    private lazy var tipLabel: UILabel = {
        let l = UILabel()
        
        l.textColor = UIColor.darkGrayColor()
        l.font = UIFont.systemFontOfSize(14)
        
        //自适应大小
        l.sizeToFit()
        
        //设置自动换行
        l.numberOfLines = 0
        //设置居中
        l.textAlignment = .Center
        
        return l
    }()
    
    //设置登陆和注册按钮
    private lazy var loginBtn: UIButton = {
        let btn = UIButton()
        //这是背景图片
        btn.setBackgroundImage(UIImage(named: "common_button_white_disable"), forState: .Normal)
        btn.setTitle("登陆", forState: .Normal)
        btn.setTitleColor(UIColor.darkGrayColor(), forState: .Normal)
        btn.titleLabel?.font = UIFont.systemFontOfSize(14)
        btn.sizeToFit()
        return btn
    }()
    
    private lazy var registerBtn: UIButton = {
        let btn = UIButton()
        //这是背景图片
        btn.setBackgroundImage(UIImage(named: "common_button_white_disable"), forState: .Normal)
        btn.setTitle("注册", forState: .Normal)
        btn.setTitleColor(themeColor, forState: .Normal)
        btn.titleLabel?.font = UIFont.systemFontOfSize(14)
        btn.sizeToFit()
        return btn
        
    }()

}
